package com.balabala.gym_system.pojo.dto;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@Builder //实现了建造者设计模式
@AllArgsConstructor
@NoArgsConstructor
public class UserDto {

    private Long id;

    private String username;

}